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Consider the following data in the context of a two-way ANOVA test.
a. Compute SST, SSA, SSB, SS(AB), and SSE.
b. Compute MSA, MSB, MS(AB), and MSE.
c. Compute fA, fB, and fAB.
d. Conduct the hypothesis tests to check for effects due to interaction, factor A, and factor B. Use a = 0.05 for each test. State your conclusions.
Is there any evidence that the variability in wingspan of the monarch butterfly has increased? Assume normality and use a = 0.05.
The goal for Company A is to make sure more than 90% of their shipment will be accepted by their customer. In order to achieve the goal, Company A wants their customer to reduce the sample size from 300 samples. What sample size should Company A s..
If a data set has results on breast cancer that include information on age, gender, and use of hormones, what checks should be made on the results to ensure that errors in recording data have not been made?
salary information regarding male and female employees of a large company is shown below.malefemalesample
Finding the probability that a randomly selected cat will cost more than a randomly selected dog in terms of their annual medical costs.
The probability that the patient enters a law suit is 0.9. What is the probability that the doctor makes an incorrect diagnosis and the patient sues.
The distribution of test scores is mui=35 and a standard deviation of 15. Do students taking the supplement have significantly better memory scores? Use a one-tailed t-test with an alpha=0.05.
My uncle wants to divide his board into ten "doughnuts" defined by circles of radii r0
Run this same command several times to see how variable the reported pvalues are. How many possible treatment arrangements are there for this experiment?
If the null hypothesis is "the stadium is structurally sound," and the alternative hypothesis is "the stadium is not structurally sound," which type of error (Type I or Type II) would the engineer least like to commit?
These data were obtained in a comparison of two different methods for determining dissolved oxygen concentration (in milligrams per liter):
With a single-sample t ratio, the null hypothesis states that:
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